/thirdparty/breakpad/third_party/glog/src/glog/log_severity.h

 1// Copyright (c) 2007, Google Inc.
 2// All rights reserved.
 3//
 4// Redistribution and use in source and binary forms, with or without
 5// modification, are permitted provided that the following conditions are
 6// met:
 7//
 8//     * Redistributions of source code must retain the above copyright
 9// notice, this list of conditions and the following disclaimer.
10//     * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
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15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30#ifndef BASE_LOG_SEVERITY_H__
31#define BASE_LOG_SEVERITY_H__
32
33// Annoying stuff for windows -- makes sure clients can import these functions
34#ifndef GOOGLE_GLOG_DLL_DECL
35# if defined(_WIN32) && !defined(__CYGWIN__)
36#   define GOOGLE_GLOG_DLL_DECL  __declspec(dllimport)
37# else
38#   define GOOGLE_GLOG_DLL_DECL
39# endif
40#endif
41
42// Variables of type LogSeverity are widely taken to lie in the range
43// [0, NUM_SEVERITIES-1].  Be careful to preserve this assumption if
44// you ever need to change their values or add a new severity.
45typedef int LogSeverity;
46
47const int INFO = 0, WARNING = 1, ERROR = 2, FATAL = 3, NUM_SEVERITIES = 4;
48
49// DFATAL is FATAL in debug mode, ERROR in normal mode
50#ifdef NDEBUG
51#define DFATAL_LEVEL ERROR
52#else
53#define DFATAL_LEVEL FATAL
54#endif
55
56extern GOOGLE_GLOG_DLL_DECL const char* const LogSeverityNames[NUM_SEVERITIES];
57
58// NDEBUG usage helpers related to (RAW_)DCHECK:
59//
60// DEBUG_MODE is for small !NDEBUG uses like
61//   if (DEBUG_MODE) foo.CheckThatFoo();
62// instead of substantially more verbose
63//   #ifndef NDEBUG
64//     foo.CheckThatFoo();
65//   #endif
66//
67// IF_DEBUG_MODE is for small !NDEBUG uses like
68//   IF_DEBUG_MODE( string error; )
69//   DCHECK(Foo(&error)) << error;
70// instead of substantially more verbose
71//   #ifndef NDEBUG
72//     string error;
73//     DCHECK(Foo(&error)) << error;
74//   #endif
75//
76#ifdef NDEBUG
77enum { DEBUG_MODE = 0 };
78#define IF_DEBUG_MODE(x)
79#else
80enum { DEBUG_MODE = 1 };
81#define IF_DEBUG_MODE(x) x
82#endif
83
84#endif  // BASE_LOG_SEVERITY_H__